Copyright laws differ from country to country, but in general protection extends for the duration of an author's life and for a substantial period afterwards, thus allowing the author's heirs to benefit.
出自-2011年12月阅读原文
柯林斯高阶英汉双解学习词典释义
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继承人
An heir is someone who has the right to inherit a person's money, property, or title when that person dies.